Allergies and hypersensitivities
An allergic reaction occurs when the immune system overreacts to a foreign substance that usually causes few or no problems in most people.
Grass allergy causes someone to have an allergic reaction to grass pollen spread by the wind. Learn more about its symptoms, diagnosis and treatment.
Food allergies in children
Trusted information on food allergies in children including peanut allergies, how to know if your child has an allergy, and food additives.
Allergies to seafood
Seafood allergy is complex, and 4-in-5 people with allergy to fish, shellfish or molluscs will have it for life. Find out more about the symptoms and diagnosis of seafood allergy.
Trusted information about allergy types, as well as allergy testing, anaphylaxis, antihistamines and common related conditions such as asthma and hay fever.
Cat and dog allergy
Allergies to cats and dogs are common, and symptoms can be severe. Learn more about how to live with a pet allergy.
Trusted information about eye allergies from leading Australian health organisations, including links to content on simple allergic conjunctivitis.
Suffering from asthma or hay fever? They may be triggered by allergies. Find out more here about allergy testing.
Egg allergy usually starts in infancy, but most children grow out of it. Learn about the symptoms and diagnosis of egg allergy, as well as ways to avoid exposure to egg.
Antihistamines are medicines that help ease allergy symptoms. Read more about how antihistamines are used to treat conditions like hay fever, eczema and asthma.